Hi,when i compile myself ngrok , i got an error like this

than i go to https://github.com/gorilla/websocket/blob/master/client.go check out these three filelds like this

is i am alone? how can i fix this ? thanks a lot
Please make sure to Compile with the latest version of Go (1.6). You can check with go version
problem solved? same error
@backylee
yes, like @inconshreveable said ,you should make sure to Compile with Go version (1.6) or the latest version , maybe the old version does not include the above variables
same error,but i have the latest version(1.6.2)
same issue for me and im on 1.6
I have the same error on go version 1.7
1.7 ok ( uninstall old firstly make sure root is new